Hyundai Sonata LF: Body Electrical System / Ignition Switch Assembly. Repair procedures

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Ignition Switch Assembly. Repair procedures

Repair procedures

Replacement

1.	Disconnect the negative (-) battery terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad")

3.	Remove the steering column upper & Lower shroud.

4.	Remove the ignition switch (A) and disconnecting the Key Warning / immobilizer connector.

5.	If it is necessary to remove the key lock cylinder (A), remove the key lock cylinder (A) after pushing lock pin (B) with key ACC.

6.	Installation is the reverse of removal procedure.

Inspection

1.	Disconnect the ignition switch connector (A) and key warning switch connector (B) from under the steering column.

2.	Check for continuity between the terminals.

3.	If continuity is not specified, replace the switch.

Antenna Coil Repair procedures

Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Disconnect the 6P connector (B) of the coil antenna and then remove the coil antenna (A) after loosening the screw...

Lane Departure Warning System (LDWS)

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Repair procedures

Service Point Target Auto Calibration (SPTAC) This procedure provides a way to calibrate the camera by having the service technician align the car to a well lit simulated straight road target; preferably wall mounted. The LDWS camera will have a "System Out of Calibration" DTC set if not operating within specified tolerances...

Hyundai Sonata LF 2014-2019 Service Manual: Alternator Description and Operation

Description The Alternator has eight built-in diodes, each rectifying AC current to DC current. Therefore, DC current appears at alternator "B" terminal. In addition, the charging voltage of this alternator is regulated by the battery voltage detection system...